/hɪlt; hɪlt/
n
1 handle of a sword, dagger, etc （刀剑、匕首等的）柄. =>illus at sword 见sword插图.
2 (idm 习语) (up) to the `hilt completely 完全地; 彻底地
*be up to the hilt in debt 债台高筑
* be mortgaged up to the hilt, ie have an extremely high mortgage 抵押到极高的数额
* I'll support you to the hilt. 我完全支持你.

n[C]
[Language: Old English;]
the handle of a sword or knife, where the blade is attached
to the hilt
completely
support/defend/back sb to the hilt
　I'm backing the PM to the hilt on this.